64082569 has 4 divisors (see below), whose sum is σ = 64137744. Its totient is φ = 64027396.

The previous prime is 64082567. The next prime is 64082597. The reversal of 64082569 is 96528046.

It is a happy number.

64082569 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64082569 - 2¹ = 64082567 is a prime.

It is a super-2 number, since 2×64082569² = 8213151299279522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64082567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25807 + ... + 28180.

It is an arithmetic number, because the mean of its divisors is an integer number (16034436).

Almost surely, 2^64082569 is an apocalyptic number.

It is an amenable number.

64082569 is a deficient number, since it is larger than the sum of its proper divisors (55175).

64082569 is a wasteful number, since it uses less digits than its factorization.

64082569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55174.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 64082569 is about 8005.1588991100. The cubic root of 64082569 is about 400.1719448269.

The spelling of 64082569 in words is "sixty-four million, eighty-two thousand, five hundred sixty-nine".